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slahqr.f(3) LAPACK slahqr.f(3)

NAME

slahqr.f

SYNOPSIS

Functions/Subroutines


subroutine slahqr (WANTT, WANTZ, N, ILO, IHI, H, LDH, WR, WI, ILOZ, IHIZ, Z, LDZ, INFO)
SLAHQR computes the eigenvalues and Schur factorization of an upper Hessenberg matrix, using the double-shift/single-shift QR algorithm.

Author

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Wed May 24 2017 Version 3.7.0